Paper-folder.



W. B. & F. M. PIERCE.

PAPER FOLDER.

APPLICATION FILED JAN. 2. m5.

1 fiwfil Q; Patented Aug. 21, 1917.

2 $HEETSSHEET 1.

W. B. & F. M. PIERCE.

PAPER FOLDER. APPLICATION FILED JAN-2, mm.

,mechanism for the paper as it WILLIAM B. PIERCE AND FRANK M. PIE

RUE, OF CHICAGO, ILLINOIS, ASSIGNORS T0 PIERCE WRAPPING MACHINE COMPANY,OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

PAPER-FOLDER.

Specification of Letters Patent.

Application filed January 2, 1915. Serial No. 304.

To all whom it may concern:

Be it known that we, WILLIAM B. PIERCE and FRANK M. PIERCE, citizens ofthe United States, and residents of the city of Chicago, in the countyof Cook and State of Illinois, have invented certain new and usefulImprovements in Paper-Folders; and we do hereby declare that thefollowing is a full, clear, and exact description of the same, referencebeing hadto the accompany ing drawings, and to the numerals of referencemarked thereon, which form a partof this specification. v

This invention relates to an improved type of folder device for foldingpaper or any material used to wrap an article or in any other similaroperation wherein a folder device is required. This device is welladaptedfor use upon the revolving paper carrying shuttle used in highspeed wrapping machines wherein a continuous wrapping strip is appliedaround an article. In a wrapping machine adapted to wrap articles ofdifferent size and shape the relation of the articleto the revolvingshuttle is not always the same, and consequently it is necessary toprovide a mechanism from which the strip is drawnfor application to thearticle which will automatically adapt itself to different conditionsfor wrapping,

so that there will be'no possibility of resistance to the passage of thepaper which might result in tearing the same.

It is an object therefore of this invention to construct a folder devicefor the shuttle of a wrapping machine adapted to feed the wrappingmaterial drawn therethrough to create a fold therein, properly directthe material drawn therefrom towardv the article being wrapped.

It is also an object of this invention to construct a folder device apart of which coacts with another memberito afford a tension is led intothe folder device for folding.

It is furthermore hnjmportant object of this invention to construct afolder device for connection'to the paper carrying shuttle of a wrappingmachine and mounted upon.v

the shuttle in a manner to permit movement of the folder device indifferent directions to permit the paper to be properly directed todifferent articles wrapped by the machine.

and adjustable so as to which is integrally It is finally an object ofthis inventionto construct an improved form of folder de v ce havlng along resilient integral exten- S1011 by which the same is connected to ashuttle of a wrapping machine, thus permitt ng the folder device toassume various positions when in operation to properly lead the wrappingmaterial to the article being wrapped.

The invention (in a preferred form) is illustrated in the drawings andhereinafter more fully described.

In the drawings:

Figure l. is a central vertical section taken through a shuttleillustrating a device embodying the principles of our inventionconnected thereon and shown in elevation.

Fig. 2 is'a fragmentary enlarged detail v ew of a portion of the shuttleshown with the folder connected thereon.

;Fig. 3 is a view taken on line 3-3 of Fig. 1. V

Fig. 4 is a detail section vtaken on line H Of F 1- Fig. 5 is a detailsection taken on line 5-5 of Fig. 2. Fig. 6 is a detail section taken online 66 of Fig. 2.

Fig. 7 is a detail section taken on line 77 of Fig. 3, with partsomitted.

As shown in the drawings:

The shuttle shown in Fig. '1, consists of sectlons l and 2, pivotallyconnected to one another by means of a pintle bolt 3, and each providedwith hingedperipheral walls 4:, adapted to be locked to one another bylocking mechanism 5, said hinged walls when opened affording access tothe interlor of the shuttle for the insertion of folded wrappingmaterial 6, therein. A. pair of rollers 7, are journaled on each side ofan opening in the inner peripheral wall of the section 2, and a strip ofpaper X, is drawn therethrough from the inner fold of Patented Aug. 21,191W.

the wrapping material, thence around a suitable tension mechanism 8, andfinally down and around a spring plate 9, secured at one of its ends ina compartment 10, of the shuttle section 2. secured transversely withinthe compartment 10, in the sidewalls of the shuttle, and engaged thereonis a U-shaped construction comprising the resilient plate extension 12,connected through a A pintle bolt 11, is

til

curved member 13, with the inlctplate member 14-, of a folder nozzle.Said folder nozzle consists of an outer plate 15, integral with saidinner plate 14., along the lower p rtion. thereof, with said respectiveplates l4 and 15, converging toward one another at the exit end of thenozzle, and with a lip 16, flaring outwardly and tapering toward theexit end of the nozzle formed integral with the upper portion of theplate 15, and curved over the H )er edge of the inner plate 1.4. Alsosecured transversely within the compartment 10, between the side wallsof the shuttle section is a pintle bolt 17, on which is iournaled aconvex surfaced roller 18, against which the inner surface of the platemember 12, hears at all times, and as clearly shown in Figs. l and 2,said spring plate-9, hears its free end against the outer surface ofsaid plate member 12, to hold the folder device over and against saidroller 18.

Alocking mechanism for the respective shuttle sections 1 and :2, isprovided, consisting'of a latch bolt 19, mounted on a pivot 20, in theshuttle compartment 10, adapted to engage through registering aperturesin abutting walls 21 and 22, of the respective sections land 2, to holdthe same connected one to another. A leaf spring '23, is secured atonset its ends within said shuttle compartment 10, and at its other endbears against the tail of said latching bolt 19, to

normally impel the same into locking posianon. v

The operation is as follows:

The paper strip X, is drawn. from withinthe shuttle around one of theidler rollers 7, through the tension mechanism 8, and thence between thespring plate 9, and re- ,silient plate 12, of the folder device, the

friction exerted thereby on the paper as the same passes therebetweenserving as a secondary tension mechanism for that portion of the paperimmediately passing into the folder nozzle.

Due to the many different sizes and shapes ofarticles capable of beingwrapped by the revolution of a shuttle therearound, it is obvious thatthe relative position and. angle of feed of the paper to the articlevaries, according to the size and position of the article. It is Iessential, however that the paper he permitted to pass easily to the anidle regardless of the fluctuations in relative positions between. theshuttle and the articlebeingwrapped, which are inherent in a highspeedmachine. This is most effi- 'cie'ntly taken care 'of'by the. foldernozzle,

dueto the fact that it is pivotally mounted upon the pintle-ll, on. along resilient shank extension 12, so that saidnozzle is permitted to.swing transversely of the shuttle as well as in a plane parallelto theplane of the shuttle. Any intermediate warping movement imposed upon thenozzle readily takes place due to the convex surface of the roller 18,against which the extension of the folder nozzle is pressed by theresilient plate 9, said roller acting merely as a stop for movement ofthe folder tension plates in one direction, about the pivot 11. It isapparent, therefore, that through certain degrees of movement the foldernozzle can assume practically any angle and position, so that thewrapping material fed around the rounded extension 15, and into thenozzle is led easily to the material being wrapped, meanwhile receivinga fold created therein by the folding nozzle and permitting easy andproper application of the folded strip to the article device for paperdrawn thcrearound and a pin'tle on which the end of said plate isconnected.

2. In a device of the class described the combination with a foldernozzle and a resilient mounting therefor, of a resilient plate bearingthercagainst affording a tension mechanism for paper drawn thcrchetwecn.

3. In a device of the class described, a pivotally mounted folder nozzlecomprising plate members arranged in converging re lation, a lip formedon one thereof and folded over the other, a long resilient plateextension integral with one of said plate mombcrs of the nozzle by whichsaid foldcrdcvicc' is pivotally mounted, resilient means bearing againstsaid plate extension on one side thereof, and a convex roller disposedon the other side thereof serving as a stop therefor.

4-. In a device of the class described, a folder nozzle, a longresilient curved extension integral therewith, pivotal connectionstherefor to a shuttle on which the device is mounted, resilient meansbearing against said extension between which the paper is drawn andlcd-to said nozzle serving as a tension means fol-"said paper, and aconvex roller acting as a stop for the associated nozzle and plateextension to resist stress exerted thereon by said resilient member.

-5. in a folder and tension device for a shuttle, a folder nozzle, aresilient extension integral therewith and pivotally connected to saidshuttle, a resilient plate member secured on said shuttle and bearingagainst naevma a}.

said extension, and means acting to limit movement of said associatednozzle and plate extension. I

6. In. a folder device of the class described embracing a folder nozzle,a resilient integral extension integral therewith bent around andsubstantially parallel to said nozzle from the entrance end thereof, andmeans bearing 'thereagainst to confine a strip of Wrapping materialthereto being led to said nozzle and serving as a tension mechanismtherefor.

7. In a device of the class described for attachment on ashuttle, afolder nozzle acting to tension paper led therearonnd, and means formounting the same on the shuttle to permit the nozzle to'swingtransversely of and in a plane parallelto the plane of the shuttle.

8. In a device of the class described, folder means, mechanism bearingthereagainst and co-acting therewith to afford a tension device, andmeans acting as a stop for said folder means to resist stress exertedthereon by said mechanism.

9. In a device for use in a wrapping machine, a spring plate, a convexroller, a folder nozzle, and a resilient extension integral therewithand curved to extend between folder nozzle, a resilient extensionintegral therewith, means engaging the end thereof to permit pivotalmovement of the nozzle, resilient tension means bearing against saidextension, and means acting to limit the movement of said nozzle.

In testimony. whereof we have hereunto subscribed our names in thepresence of two subscribing witnesses.

WILLIAM B. PIERCE. FRANK M. PIERCE. Witnesses:

CHARLES W. HILLs, Jr., FRANK K. HUDSON.

